You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "\"\\"\\\"\\\\"\\\\\"((((\\\\\"practical guidebook to (biostatistical OR statistics) AND epidemiology.\\\\\\") OR (\\\\\"practical guidebook to (biostatistical OR statistics) AND epidemiology.\\\\\\"))) OR (\\\\\"practical guide to statistical AND epidemiology.\\\\\\"))*\\\\\"\\\\"\\\"\\"\"".
• Removing quotes may allow a broader search: \ \\ \\\ ((((\\\ practical guidebook to (biostatistical OR statistics) AND epidemiology.\\\\ ) OR (\\\ practical guidebook to (biostatistical OR statistics) AND epidemiology.\\\\ ))) OR (\\\ practical guide to statistical AND epidemiology.\\\\ ))*\\\ \\ \.